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x: fix XIM handling 

Do not try to set specific IM method, let the user specify it with
XMODIFIERS.

If the requested method is not available or opening fails, fallback to
the default input handler and register a handler on the new IM server
availability signal.

Do the same when the input server is closed and (re)started.
This commit is contained in:
Quentin Rameau 2020-02-02 21:47:19 +01:00 committed by Hiltjo Posthuma
parent cd785755f2
commit 26cdfebf31
1 changed files with 44 additions and 24 deletions
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68
x.c
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@ -146,9 +146,10 @@ static void xdrawglyphfontspecs(const XftGlyphFontSpec *, Glyph, int, int, int);
static void xdrawglyph(Glyph, int, int); static void xdrawglyph(Glyph, int, int);
static void xclear(int, int, int, int); static void xclear(int, int, int, int);
static int xgeommasktogravity(int); static int xgeommasktogravity(int);
static void ximopen(Display *); static int ximopen(Display *);
static void ximinstantiate(Display *, XPointer, XPointer); static void ximinstantiate(Display *, XPointer, XPointer);
static void ximdestroy(XIM, XPointer, XPointer); static void ximdestroy(XIM, XPointer, XPointer);
static int xicdestroy(XIC, XPointer, XPointer);
static void xinit(int, int); static void xinit(int, int);
static void cresize(int, int); static void cresize(int, int);
static void xresize(int, int); static void xresize(int, int);
@ -1025,48 +1026,61 @@ xunloadfonts(void)
xunloadfont(&dc.ibfont); xunloadfont(&dc.ibfont);
} }
void int
ximopen(Display *dpy) ximopen(Display *dpy)
{ {
XIMCallback destroy = { .client_data = NULL, .callback = ximdestroy }; XIMCallback imdestroy = { .client_data = NULL, .callback = ximdestroy };
XICCallback icdestroy = { .client_data = NULL, .callback = xicdestroy };
if ((xw.ime.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) { xw.ime.xim = XOpenIM(xw.dpy, NULL, NULL, NULL);
XSetLocaleModifiers("@im=local"); if (xw.ime.xim == NULL)
if ((xw.ime.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) { return 0;
XSetLocaleModifiers("@im=");
if ((xw.ime.xim = XOpenIM(xw.dpy, NULL, NULL, NULL)) == NULL) if (XSetIMValues(xw.ime.xim, XNDestroyCallback, &imdestroy, NULL))
die("XOpenIM failed. Could not open input device.\n"); fprintf(stderr, "XSetIMValues: "
} "Could not set XNDestroyCallback.\n");
}
if (XSetIMValues(xw.ime.xim, XNDestroyCallback, &destroy, NULL) != NULL)
die("XSetIMValues failed. Could not set input method value.\n");
xw.xic = XCreateIC(xw.ime.xim, XNInputStyle, XIMPreeditNothing | XIMStatusNothing,
XNClientWindow, xw.win, XNFocusWindow, xw.win, NULL);
if (xw.xic == NULL)
die("XCreateIC failed. Could not obtain input method.\n");
xw.ime.spotlist = XVaCreateNestedList(0, XNSpotLocation, &xw.ime.spot, xw.ime.spotlist = XVaCreateNestedList(0, XNSpotLocation, &xw.ime.spot,
NULL); NULL);
if (xw.ime.xic == NULL) {
xw.ime.xic = XCreateIC(xw.ime.xim, XNInputStyle,
XIMPreeditNothing | XIMStatusNothing,
XNClientWindow, xw.win,
XNFocusWindow, xw.win,
XNDestroyCallback, &icdestroy,
NULL);
}
if (xw.ime.xic == NULL)
fprintf(stderr, "XCreateIC: Could not create input context.\n");
return 1;
} }
void void
ximinstantiate(Display *dpy, XPointer client, XPointer call) ximinstantiate(Display *dpy, XPointer client, XPointer call)
{ {
ximopen(dpy); if (ximopen(dpy))
XUnregisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL, XUnregisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL,
ximinstantiate, NULL); ximinstantiate, NULL);
} }
void void
ximdestroy(XIM xim, XPointer client, XPointer call) ximdestroy(XIM xim, XPointer client, XPointer call)
{ {
xw.ime.xim = NULL; xw.ime.xim = NULL;
xw.ime.xic = NULL;
XRegisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL, XRegisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL,
ximinstantiate, NULL); ximinstantiate, NULL);
XFree(xw.ime.spotlist); XFree(xw.ime.spotlist);
} }
int
xicdestroy(XIC xim, XPointer client, XPointer call)
{
xw.ime.xic = NULL;
return 1;
}
void void
xinit(int cols, int rows) xinit(int cols, int rows)
{ {
@ -1132,7 +1146,10 @@ xinit(int cols, int rows)
xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap); xw.draw = XftDrawCreate(xw.dpy, xw.buf, xw.vis, xw.cmap);
/* input methods */ /* input methods */
ximopen(xw.dpy); if (!ximopen(xw.dpy)) {
XRegisterIMInstantiateCallback(xw.dpy, NULL, NULL, NULL,
ximinstantiate, NULL);
}
/* white cursor, black outline */ /* white cursor, black outline */
cursor = XCreateFontCursor(xw.dpy, mouseshape); cursor = XCreateFontCursor(xw.dpy, mouseshape);
@ -1765,7 +1782,10 @@ kpress(XEvent *ev)
if (IS_SET(MODE_KBDLOCK)) if (IS_SET(MODE_KBDLOCK))
return; return;
len = XmbLookupString(xw.ime.xic, e, buf, sizeof buf, &ksym, &status); if (xw.ime.xic)
len = XmbLookupString(xw.ime.xic, e, buf, sizeof buf, &ksym, &status);
else
len = XLookupString(e, buf, sizeof buf, &ksym, NULL);
/* 1. shortcuts */ /* 1. shortcuts */
for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) { for (bp = shortcuts; bp < shortcuts + LEN(shortcuts); bp++) {
if (ksym == bp->keysym && match(bp->mod, e->state)) { if (ksym == bp->keysym && match(bp->mod, e->state)) {